code: def setUp(self):
      self.tmpdir = tempfile.mkdtemp()
      self.agent_dirname = os.path.join(self.tmpdir, "agent_final")
      self.rbuf_filename = os.path.join(self.tmpdir, "rbuf.pkl")
  
imports: import logging
  import os
  import tempfile
  import unittest
  from chainer import testing
  import numpy
  import chainerrl
  from chainerrl.experiments.evaluator import batch_run_evaluation_episodes
  from chainerrl.experiments import train_agent_batch_with_evaluation
  from chainerrl.experiments import train_agent_with_evaluation
  from chainerrl.misc import random_seed
label_desc: Use image node_id 1 for calling the _TestTraining obj's underlying member method code with example usage: obj.setUp() without return types